diff --git a/.gitignore b/.gitignore
index 115324b..b715afe 100644
--- a/.gitignore
+++ b/.gitignore
@@ -11,3 +11,4 @@
 /parking_lot_core-0.8.2.crate
 /parking_lot_core-0.8.3.crate
 /parking_lot_core-0.8.5.crate
+/parking_lot_core-0.9.1.crate
diff --git a/parking_lot_core-fix-metadata.diff b/parking_lot_core-fix-metadata.diff
index ae3678a..3fb0933 100644
--- a/parking_lot_core-fix-metadata.diff
+++ b/parking_lot_core-fix-metadata.diff
@@ -1,6 +1,6 @@
---- parking_lot_core-0.8.5/Cargo.toml	1970-01-01T00:00:01+00:00
-+++ parking_lot_core-0.8.5/Cargo.toml	2021-11-28T07:25:42.630098+00:00
-@@ -43,10 +43,5 @@
+--- parking_lot_core-0.9.1/Cargo.toml	1970-01-01T00:00:01+00:00
++++ parking_lot_core-0.9.1/Cargo.toml	2022-03-03T11:19:02.608679+00:00
+@@ -40,10 +40,5 @@
  [features]
  deadlock_detection = ["petgraph", "thread-id", "backtrace"]
  nightly = []
@@ -8,6 +8,6 @@
 -version = "0.2.8"
  [target."cfg(unix)".dependencies.libc]
  version = "0.2.95"
--[target."cfg(windows)".dependencies.winapi]
--version = "0.3.9"
--features = ["winnt", "ntstatus", "minwindef", "winerror", "winbase", "errhandlingapi", "handleapi"]
+-[target."cfg(windows)".dependencies.windows-sys]
+-version = "0.32"
+-features = ["Win32_Foundation", "Win32_System_LibraryLoader", "Win32_System_SystemServices", "Win32_System_WindowsProgramming"]
diff --git a/rust-parking_lot_core.spec b/rust-parking_lot_core.spec
index 4e39893..3108091 100644
--- a/rust-parking_lot_core.spec
+++ b/rust-parking_lot_core.spec
@@ -1,11 +1,11 @@
-# Generated by rust2rpm 19
+# Generated by rust2rpm 21
 %bcond_without check
 %global debug_package %{nil}
 
 %global crate parking_lot_core
 
 Name:           rust-%{crate}
-Version:        0.8.5
+Version:        0.9.1
 Release:        %autorelease
 Summary:        Advanced API for creating custom synchronization primitives
 
@@ -14,15 +14,12 @@ License:        ASL 2.0 or MIT
 URL:            https://crates.io/crates/parking_lot_core
 Source:         %{crates_source}
 # Initial patched metadata
-# * No Windows, no Redox OS
+# * drop Windows- and Redox OS-specific dependencies
 Patch0:         parking_lot_core-fix-metadata.diff
 
 ExclusiveArch:  %{rust_arches}
-%if %{__cargo_skip_build}
-BuildArch:      noarch
-%endif
 
-BuildRequires:  rust-packaging
+BuildRequires:  rust-packaging >= 21
 
 %global _description %{expand:
 Advanced API for creating custom synchronization primitives.}
@@ -36,11 +33,12 @@ BuildArch:      noarch
 %description    devel %{_description}
 
 This package contains library source intended for building other packages which
-use "%{crate}" crate.
+use the "%{crate}" crate.
 
 %files          devel
-%license LICENSE-APACHE LICENSE-MIT
-%{cargo_registry}/%{crate}-%{version_no_tilde}/
+%license %{crate_instdir}/LICENSE-APACHE
+%license %{crate_instdir}/LICENSE-MIT
+%{crate_instdir}/
 
 %package     -n %{name}+default-devel
 Summary:        %{summary}
@@ -49,10 +47,10 @@ BuildArch:      noarch
 %description -n %{name}+default-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the default" feature of the "%{crate}" crate.
+use the "default" feature of the "%{crate}" crate.
 
 %files       -n %{name}+default-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+backtrace-devel
 Summary:        %{summary}
@@ -61,10 +59,10 @@ BuildArch:      noarch
 %description -n %{name}+backtrace-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the backtrace" feature of the "%{crate}" crate.
+use the "backtrace" feature of the "%{crate}" crate.
 
 %files       -n %{name}+backtrace-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+deadlock_detection-devel
 Summary:        %{summary}
@@ -73,10 +71,10 @@ BuildArch:      noarch
 %description -n %{name}+deadlock_detection-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the deadlock_detection" feature of the "%{crate}" crate.
+use the "deadlock_detection" feature of the "%{crate}" crate.
 
 %files       -n %{name}+deadlock_detection-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+nightly-devel
 Summary:        %{summary}
@@ -85,10 +83,10 @@ BuildArch:      noarch
 %description -n %{name}+nightly-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the nightly" feature of the "%{crate}" crate.
+use the "nightly" feature of the "%{crate}" crate.
 
 %files       -n %{name}+nightly-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+petgraph-devel
 Summary:        %{summary}
@@ -97,10 +95,10 @@ BuildArch:      noarch
 %description -n %{name}+petgraph-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the petgraph" feature of the "%{crate}" crate.
+use the "petgraph" feature of the "%{crate}" crate.
 
 %files       -n %{name}+petgraph-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %package     -n %{name}+thread-id-devel
 Summary:        %{summary}
@@ -109,10 +107,10 @@ BuildArch:      noarch
 %description -n %{name}+thread-id-devel %{_description}
 
 This package contains library source intended for building other packages which
-use "the thread-id" feature of the "%{crate}" crate.
+use the "thread-id" feature of the "%{crate}" crate.
 
 %files       -n %{name}+thread-id-devel
-%ghost %{cargo_registry}/%{crate}-%{version_no_tilde}/Cargo.toml
+%ghost %{crate_instdir}/Cargo.toml
 
 %prep
 %autosetup -n %{crate}-%{version_no_tilde} -p1
diff --git a/sources b/sources
index 1c067ad..b932192 100644
--- a/sources
+++ b/sources
@@ -1 +1 @@
-SHA512 (parking_lot_core-0.8.5.crate) = c4315df551748d1ae77655e4d9f8c90f911498856e5358009e9e02e410bb8085f006f369188b0753a298371ebd74a5c383d848b65e31b55f3462381308c83a00
+SHA512 (parking_lot_core-0.9.1.crate) = c084dc175c3d91ab19b897d0bafb736a9c2ae89242ac4e2ed87e6f73ae61862c641fa29fe6beec27602686f36a52bf5eff7a3c2138a4a8edbcaf1338e62d4df2